Using W=mg 
12*10 m/sec squared
10 m/sec squared = 100
100*12
=
1,200 newtons
        
             
        
        
        
oxygen reacts with glucose in respiration
 
        
             
        
        
        
If it’s referring to sea floor spreading then the answer is D, I hate analogies but I think it’s talking about the mantle convection that slowly breaks away at the lithosphere
        
             
        
        
        
Energy in organisms is homeostasis cells I believe